Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Tug
REVOLUTION
MMSI 367122220 · Call sign WDD2974
Not yet on Master's MateType
Tug
Flag
USALength
254 m
Beam
33 m
Draft
4 m
Call sign
WDD2974
IMO
9369203
Official No.
1185956
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
REVOLUTION flies the American flag — a 254-metre harbour tug. Below, she has a beam measuring 33 metres and a draft of 4 m. She's on record as MMSI 367122220, call sign WDD2974, IMO 9369203. Add REVOLUTION to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like REVOLUTION.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 09:19 UTC
Position
37.9212° N, 122.4087° W
Status
Under way (engine)
Speed
0.0 kn
Course
159°
Destination
US^5E0VD2>0VAT
Working San Francisco Bay? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put REVOLUTION on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim REVOLUTION and switch it all on
Free to join · nothing to install to start · cancel anytime
About REVOLUTION
What kind of vessel is REVOLUTION?
REVOLUTION is a Tug flagged to United States of America.
Where was REVOLUTION last seen?
REVOLUTION was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is REVOLUTION's MMSI?
REVOLUTION's MMSI is 367122220. Call sign WDD2974. IMO 9369203.
How big is REVOLUTION?
REVOLUTION is about 254 m long, 33 m on the beam, drawing 4 m.
Is REVOLUTION on the Master's Mate Safety Initiative Network?
Not yet. If REVOLUTION is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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